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AKG PT 40

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About

AKG PT 40AKG 7661X05250 Dual-Channel Wireless System with Handheld Mics

AKG - Unidirectional - Wireless - Mono

AKG WMS 40 PRO Dual Vocal Wireless Systems: Legendary AKG sound! The AKG WMS 40 PRO Wireless utilizes their own unique HDAP (High Definition Audio Performance) technology ensuring the best possible, realistic sound. The rugged handheld transmitter with its soft-touch finish is extremely easy to use and operates for 30 hours off a single AA size battery, saving frequent battery changes and thus money. If you're in need of two wireless handheld systems why not get it all in one compact package... Read more

Details
Brand: AKG
Part Numbers: 7661X05250, VOCAL DUEL SET
UPC: 09002761024449, 900276102444, 9002761024449

 

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Video review

AKG PT40 & HT40 Wireless Transmitters

 

User reviews and opinions

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Comments to date: 3. Page 1 of 1. Average Rating:
madmaxx 7:52pm on Wednesday, October 20th, 2010 
Over ear headphones Sound is very good. I like these headphones. AG Neovo 7" digital photo frame I ordered this digital photo frame for my boyfriend as a birthday gift, what a great present! Digital Photograph Frame - A Delight!
TomMoore 3:06am on Thursday, September 16th, 2010 
AG Neovo 7" digital photo frame I ordered this digital photo frame for my boyfriend as a birthday gift, what a great present!
lucky662 9:37am on Sunday, May 16th, 2010 
If you plan on ordering this product, expect to have to buy a power adapter from Radio Shack. This company should make a WiFi version with >12" frame size. I will get one the moment it is released. High quality. Best digital frame I could find Looks beautiful, and all buttons are built into the frame. Has 128K of built in memory. I bought it as a gift.

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Documents

doc0

Specifications

ULTRA HIGH FREQUENCY

including

Receiver
Carrier frequency 710 to 865 MHz range Audio bandwidth 40 to 20,000 Hz THD typically 0.8% at 1 kHz Signal/ typically 103 dB(A) noise ratio RF output Power requirement Battery life
SR 40 diversity PR 40 diversity GB 40
710 to 865 MHz 40 to 20,000 Hz typically 0.8% typically 103 dB(A)

micropen

710 to 865 MHz 40 to 20,000 Hz typically 0.8% typically 103 dB(A) typically 5 mW (ERP)
710 to 865 MHz 40 to 20,000 Hz typically 0.8% typically 103 dB(A) typically 10 mW (ERP)

Portable Receiver

guitarbug
snapon transmitter Handheld Transmitter Transmitter Module Bodypack Transmitter chargingunit

Im free!

Charging current: 550 mA typ. Charging time: 1 hour max.

WMS40 microtools

WIRELESS MICROPHONE SYSTEM

Optional Accessories

Suited for: GB40 MP40 120/230 VAC,50/60 Hz; 2 x 1.5 V AAA size batteries 1 x 1.5 V AAA size battery 1 x 1.5 V AAA size battery 1 x 1.5 V AAA size battery 2 x 1.5 V AA size batteries 1 x 1.5 V AA size batteries 2 x 1.5 V AA size batteries SO15 mA PR40 diversity <10 h (dry battery), <11 h (dry battery), <10 h (dry battery), >8 h (dry batteries), <35 h (dry batteries) TM40 <35 h (dry batteries) <10 h (dry battery), <6 h (rechargeable batt.) >6 h (rechargeable batt.) <6 h (rechargeable batt.) <5 h (rechargeable batt.) <5 h (rechargeable batt.) typically 10 mW (ERP) typically 5 mW (ERP) balanced XLR and unbalanced 1/4 jack, adjustable from mic to line level, 2 V rms max. 200 x 135 x g 12 VDC power supply
unbalanced line level (tip): -6 dBm (10 Kohms), headphones output (ring): 18 mW typically (15 ohms); 13 mW typically (10 ohms)
Audio balanced XLR and outputs unbalanced 1/4 jack, adjustable from mic to line level, 2 V rms max. Size (WxDxH) 235 x 142 x 43 Net weight (without batteries) 470 g Standard 2 side panels, 12 VDC accessoires power supply, screwdriver

77 x 55 x g

76 x 20 x g

20 x 25 x g

22 x 30 x g black battery compartment cover, 1 AAA size battery
258 x 40 dia. mm 245 g stand adapter, black color code clip, 2 AA size batteries
125 x 126 dia.mm 30 g charging adapter, colored battery compartment cover, 1 AAA size battery
64 x 22 x g belt clip, 2 AA size batteries
100 x 58 x 135 approx. 400 g 12 VDC power supply
belt clip, audio connect- long adapter plug, black necklace cord, black replacement clip, ing cable, Velcro strips battery compartment cover, 2 Velcro strips, 1 AAA size battery for camera mounting, 1 AAA size battery 2 AAA size batteries
One CU 40 chargingunit fits for all!

MP 40 GB 40 SO 40 TM 40

CU 40 chargingunit Battery charger. Works perfectly with WMS 40 microtools and PR40 diversity portable receiver. Gentle on the environment and your budget. No need to remove batteries for charging. CH 40 Carrying case CB 40 Neoprene bag for PT40 Bodypack Transmitter (included with Aerobics System) PA 40 Remote powering adapter for PR40. The adapter fits into the battery compartment of the PR40 receiver and allows the receiver to be powered from an external supply (e.g., AC power supply or camcorder supply output). The PA 40 operates on a supply voltage of 5 to 18 V PR 40 diversity RMU40 Rack mounting kit for installing one SR40 diversity in a 19 rack RMU60 Rack mounting kit for installing one or two SR40s in a 19 rack ST 102 A Floor stand for HT40 Handheld Transmitter MK 9/10 10-m (30-ft.), 2-conductor shielded cable w/male and female XLR connectors W 880 Windscreen for HT40 Handheld Transmitter W 90 Windscreen for MP40 micropen

CU 40 chargingunit

Microphones Headphones Wireless Microphones Wireless Headphones Headsets Electroacoustical Components

AKG Acoustics GmbH

Lembckgasse 2125, P.O.B. 158, A-1230 Vienna/AUSTRIA, Tel: (+43 1) 86 654-0*, Fax: (+43 1) 86 654-7516, www.akg.com, e-mail: sales@akg.com Hotline: (+43 676) 83200 888, hotline@akg.com

Bodenseestrae 228, D-81243 Mnchen/GERMANY, Tel: (+49 89) 87 16-0, Fax: (+49 89) 87 16-200, www.akg.com/de, e-mail: infode@akg.com Hotline: (+49 89) 87 16-22 50, hotlinede@akg.com

AKG ACOUSTICS, U.S.

914 Airpark Center Drive, Nashville, TN 37217, U.S.A., Tel: (+1 615) 620-3800, Fax: (+1 615) 620-3875, www.akgusa.com, e-mail: akgusa@harman.com For other products and distributors worldwide see our website: www.akg.com
Specifications subject to change without notice.

Printed in Austria.

02/04/PROA 1501
For detailed information on wireless and other products from AKG contact your dealer or visit:

www.akg.com

WMS 40 UHF Wireless Microphone System

AKG.WIRELESS.UHF

Unlimited Freedom.
Good news for vocalists and moderators, guitarists and brass players, lecturers and dancers! Even bass players have no excuse for remaining motionless at the back of the stage any more. Forget all prejudice against wireless systems! The WMS 40 is absolutely reliable, really easy to use, and incredibly cost efficient. Most importantly, you will get the same famous AKG sound as you would through a hard-wired microphone. This brochure describes many different applications to make it easy for you to put together the optimum system for your needs. Select a transmitter, a receiver, hook up your system, and play!

Contents

Lead / backing vocals Transmitter module NEW! Snapon Transmitter Instrument miking Guitar and bass Aerobics/sports Presentation Receivers Specifications Accessories 12 12
Have fun and thrill your audience with the sound of your WMS 40 UHF Wireless Microphone System! Your AKG Team.
For more information visit www.akg.com

WMS40 UHF

ANNUAL
Winner of the readers poll in the Wireless Microphones category. Tastenwelt 2001 (Germany)
TECHNICAL EXCELLENCE & CREATIVITY AWARDS

AKG WMS40 Diversity

Nominated for Outstanding Technical Achievement in the Category of

Wireless Technology

Tec Award Nominee 2003 in the Category of Wireless Technology
Bravo! AKG engineers actually came up with a little masterpiece. This extremely cost-efficient UHF system is far better than I had expected. Price/performance: excellent. Sound Check 5/02 (Germany)
Winner of the readers poll in the Wireless Microphones category. Sound Check 2003 (Germany)

Lead / backing vocals

For vocalists.
HT40 Handheld Transmitter

TRANSMITTERS

Your voice will cut through the mix LOUD AND CLEAR when you use the HT 40 transmitter. Its capsule is the proven EMOTION SERIES D 880 microphone element.
The well-shaped, pleasantly light mic settles optimally into the hand. Even when comparing it with a hardwire D 880, I could hear no coloration or distortion. (Sound Check 5/00) the WMS 40 wireless system can take a lot of abuse. (Tastenwelt 4/00)
High quality D 880 element for crystal clear vocal sound.
(. for vocalists, the D 880 is a viable alternative to the classic SM 58. Sound Check 2/01)
Operates for up to 35 hours off the same pair of AA size batteries.
Lowest operating cost in its class. DC/DC converter maintains constant transmission quality throughout battery life. Integrated antenna for optimized RF output and perfect transmission quality. Ease of use; controls include on/mute/off switch and battery status LED. Soft-touch finish for reduced susceptibility to handling noise. Replaceable color code clip for channel identification.
Select a receiver and a transmitter.

TECH NOTE

Working Distance and Proximity Effect
Receivers recommended by AKG

RECEIVERS

Transmitters recommended by AKG

Alternative TRANSMITTERS

SR40 diversity
PT40 Bodypack Transmitter + C 420 L head-worn mic
For performers who need absolute mobility, e.g., actors or singing instrumentalists. >> Page 7
SO40 snapon transmitter + dynamic mic (e.g., D 770)
Selecting Receivers >> Page 11
This transmitter turns any wired dynamic microphone into a wireless mic.
Your voice will sound bigger and fuller, the closer you hold the microphone to your lips. Proximity effect is a dramatic boost of low frequencies that occurs when you sing into the microphone from less than 2 inches and gives more body to your voice. Moving away from the microphone will create a more distant sound as the microphone picks up more of the other sounds in the room.

>> Page 6

High Quality Wireless Transmitter Module

TRANSMITTER MODULE

PURE REVOLUTION
The TM 40 connects to a variety of AKGs famous stage mics for you to be unconnected.

The TM 40 connects to EMOTION | TRIPOWER Series microphones D 3700 M, D 880 M and C 900 M Lowest operating cost in its class Input gain control for optimum matching to microphone output level ON/MUTE/OFF switch and battery status indicator for easy setup.
Three new handheld transmitters for

Microphones:

D 3700 M + TM 40 Transmitter Module
C 900 M + TM 40 Transmitter Module
Integrated charging contacts for easy use of rechargeable batteries
Input gain control for optimum modulation
D 880 M + TM 40 Transmitter Module
ON/MUTE/OFF switch and battery status LED

Replaceable color code

Wireless transmitter
A transmitter for your favorite mic.

SO40 snapon transmitter

TRANSMITTER

SMALL BUT INGENIOUS.

Probably the smallest wireless transmitter around today, the SO 40 turns your favorite microphone into a wireless mic that sounds exactly the same as it does with a cable.
The SO 40 transmitter turns every hardwired dynamic microphone into a wireless microphone. Maintains the sound of your microphone your mic sounds the same as if you were using a wired microphone. Optional CU 40 battery chargingunit reduces operating cost to a minimum. Efficient DC/DC converter maintains constant transmission quality throughout battery life. Glass fiber reinforced body for extremely low weight (1.3 oz.) and high durability. Integrated antenna for easy handling and compact size.
CU 40 chargingunit: Integrated contacts for available from AKG only. easy battery charging.
Ease of use; controls include on/mute/off switch and battery status LED. Input gain control for optimum modulation. Replaceable color coded battery compartment cover for easy frequency identification.
A wireless transmitter for the users own microphone is an ingenious idea. With the vocal mic, I found no difference at all between wireless and hardwire modes. This means the transmitter will in no way affect the microphones performance. (Sound Check 5/02)

Actual size.

SO40 snapon transmitter + dynamic mic How to maintain the sound quality of your microphone
Dust, perspiration, lipstick, moisture, etc. gradually but dramatically deteriorate any microphones sound. However, all you need to do to maintain excellent sound for many years is clean your mic regularly. Use methylated spirits or alcohol to clean the microphone body and the wire-mesh cap. 70% isopropyl alcohol or soap suds to wash the windscreen and allow it to dry overnight. (An instruction sheet is included in every AKG microphone package.)
D 660 S the dynamic vocal microphone with all abilities.

Other recommendations

D 770 the multi-functional tool for stage use works as hard as you. C 1000 battery powered condenser microphone for many different applications

PR40 diversity

Selecting receivers >> Page 11

Instrument miking

Acoustic instruments

PT40 Bodypack

DIFFERENT INSTRUMENTS need different microphones. AKG MicroMics cover a wide range of instruments, and all MicroMics connect to the PT 40 Bodypack Transmitter.
Versatile UHF bodypack transmitter for many different applications. Professional mini XLR connector accepts all AKG MicroMic Series microphones. Operates for up to 35 hours off the same pair of AA size batteries.
Lowest operating cost in its class. Rugged plastic body. Lightweight. Controls include on/mute/off switch, mic/line selector, and battery status LED.
An absolute sensation, though, is the fact that the current consumption of both the bodypack and handheld transmitters is so low that a pair of standard AA size batteries should last for approximately 35 hours. (Gitarre & Bass 6/00)

How to set signal levels

TRANSMITTER: Set to line level if connected to instrument or mic level if connected to microphone. Set GAIN fully clockwise. Play or sing as loud as you can and watch the Peak LED. If Peak LED flickers red occasionally, level is O.K. If Peak LED is lit red constantly, turn GAIN down to flickering point. RECEIVER: Use console metering to set receiver VOLUME control and listen for distortion. To minimize noise floor, set transmitter gain as high as possible and receiver volume just high enough to drive console to optimum level.
PT 40 Bodypack + MicroMic

C 416 L for accordion

C 411 L for acoustic guitar, violin, viola, banjo

C 418 L for percussions

C 419 L for brass and drums

C 420 L for flute

D 409 the dynamic alternative to the C 419 L

Guitar and bass

For guitar and bass players.

GB40 guitarbug

The GB 40 transmitter mates with every guitar. Just plug the FlexJack into the instruments output jack.
The FlexJack extendable swivel jack plug connects the GB 40 to any guitar jack,

Typ: Stratocaster

Typ: Telecaster

oblique,

on the top, or on the side.
CU 40 chargingunit: Integrated contacts for available from AKG only. easy battery charging There seems to be no easier way than to use this small transmitter. (Guitar 5/02) passed the dropout test with flying colors. (Gitarre & Bass 5/02) Unlike many other transmitters criticized by guitarists for restricting the dynamic range, the GB 40 gets the audio across in its full dynamic splendor. (Tastenwelt 3/02) The radio link works perfectly even in difficult environments. Talking about sound, the GB 40 does a great job, too. Try as I might, I could hear no difference between wireless and hardwire modes. (Tools 2/02) Actual size

Frequency response optimized for guitar and bass. Optional CU 40 battery charger for extremely low operating cost. DC/DC converter for constant transmission quality throughout battery life. Integrated charging contacts and optional charger for easy use of rechargeable batteries. Extremely easy to use. ON/MUTE/OFF switch and battery status indicator for easy setup. Input gain control for optimum modulation. Replaceable color coded battery compartment cover for easy frequency identification.
Make the GB 40 and PR 40 work for you!
Use the PR 40 to reduce cable lengths when using a pedalboard. Instead of running a long cable from a stationary receiver to the pedalboard, place the small portable receiver on or near the pedalboard and connect it with a short cable. Powering the receiver: a) Use dry or rechargeable batteries. b) Use the pedalboard supply and the optional PA 40 power adapter. c) Use a separate supply and the optional PA 40 power adapter. d) Place the receiver in the optional CU 40 battery charger. The CU 40 charger that also keeps the receiver in optimum position.

SENDER TRANSMITTERS

Miniature Guitar System
The smallest wireless guitar system in the world. The system comprises 1 PR 40 miniature receiver 1 GB 40 miniature transmitter 1 connecting cable to the guitar amp 1 neoprene bag

Typ: Les Paul

Aerobics/sports

For trainers.

C 444 L head-worn microphone
100% AKG sound. Extremely easy to use. Secure and comfortable fit. Moisture shield protects the microphone from perspiration. High ambient noise rejection.
FITS PERFECTLY during any exercise. Even perspiration will not affect this wireless head-worn mic system.
definite winner of the price/performance category. no doubt an excellent head-worn microphone. C 444 L (TOOLS 3/02)
Operates for up to 35 hours off the same pair of AA size batteries
Lowest operating cost in its class. DC/DC converter maintains constant transmission quality throughout battery life. Rugged plastic body. Lightweight. Controls include on/mute/off switch, mic/line selector, and battery status LED.
PT40 Bodypack Transmitter + C 444 L head-worn microphone
Transmitter recommended by AKG
Perspiration may cause microphones or transmitters to fail
Do not remove the small plastic shield from the C 444 L microphone. The shield prevents moisture from penetrating into the transducer. Always use the transmitter with the CB 40 neoprene bag included with the Aerobics System. Make sure the connector and antenna point to the ground to keep out moisture. If you expect to perspire heavily, slip the supplied pop screen onto the microphone, wipe the microphone dry during breaks, and disconnect the microphone from the transmitter after use. After use, allow the bag, transmitter, and microphone to dry before placing them in the packaging. This extends the useful life of the system.

PR40 diversity Aerobics System includes
CB 40 light, padded neoprene bag protecting the transmitter from perspiration and impact.

Presentation

For lecturers, moderators, and trainers.

MP 40 micropen

NO BIGGER THAN A BALLPOINT PEN, the MP 40 is a transmitter and an integrated microphone. Just put it in a convenient pocket and get your message across.
Clever, simple wireless microphone for lecturers, moderators, trainers. Integrated, detachable C 407 omnidirectional lavalier microphone for excellent intelligibility. Detachable mic - can be removed from the transmitter and mounted closer to the users mouth for better noise rejection in noisy environments. Integrated antenna Optional CU 40 battery charger reduces operating cost to a minimum. DC/DC converter maintains constant transmission quality throughout battery life. Ease of use; controls include on/mute/off switch and battery status LED. Input gain control. Replaceable color code element for easy frequency identification. Complete with necklace cord.
CU 40 chargingunit: Integrated contacts for available from AKG only. easy battery charging Small and slim, it is easy to mount and even clips on inconspicuously to a strapless top or formal evening gown. The beauty of the design, however, is the detachable microphone. Being an omni mic, the C 407 provides a perfect voice sound even if you dont remove it from the transmitter. (Sound Check 5/02)

Actual size

How to prevent feedback
Alternative TRANSMITTERS:

SR 40 diversity

HT 40 Handheld Transmitter
For situations where the user holds the microphone in his hand, e.g., interviews.
1. Make sure to place the speakers in front of the user, i.e., in front of the microphone. This will dramatically improve usable system gain before feedback sets in. 2. Reducing the distance between the users mouth and the microphone will also increase gain-before-feedback. In a critical situation, you can remove the integrated microphone from the transmitter and mount it closer to the users mouth.
>> Page 4 PT40 Bodypack Transmitter + C 444 L head-worn microphone

PR 40 diversity

For those who prefer using a head-worn microphone.

>> Page 9

MP40 micropen

Unique AKG Features

Selected Reviews

Receivers

WMS 40 UHF
Wireless Microphone System
TRANSMITTERS HT40 Handheld Transmitter
World-famous ORIGINAL AKG sound.
Up to 35 hours of continuous operation off a single set of batteries means lowest operating cost in this class (HT40/PT40). Modular wireless system provides optimum transmitter/receiver combination for every application. CU 40 chargingunit for easy, costefficient battery charging (for microtools and PR 40 only).
Market leader in its class.

Relying on a proven design, the SR 40 is a reliable, easyto-use, cost-efficient single-antenna receiver. It is AKGs hottest selling wireless component and highly praised within the industry.
Front-panel mounted, swiveling antenna facilitating rack-mounted operation. On/off switch with status LED. RF reception indicator LED. Adjustable squelch for noise-free reception. Professional XLR and 1/4 outputs. Frequency color code. Easy to mount in any 19 rack using optional rack mount-kit.
>> Page 4 Lead / backing vocals

TM40 Transmitter Module

>> Page 5 Lead / backing vocals
PT40 Bodypack Transmitter
Absolute reliability and clever features.
The deluxe model SR 40 diversity is as reliable and easy to use as the proven SR 40, it provides more features. Additional metering, a high quality all-metal case with a new styling, and diversity technology for absolute reliability in the most difficult transmission situations will satisfy the most demanding perfectionist.
>> Page 7 Instrument miking >> Page 9 Aerobics / sports
Ease of use and clear metering.
Soft-touch enamel finish.
An absolute scoop, though, is the low current consumption of the bodypack and handheld transmitters that will work perfectly for approximately 35 hours off a pair of standard AA size batteries. Gitarre & Bass 6/00 (Germany)
Swiveling jack plug with extension plug matching all electric guitars and basses (GB40 guitarbug).
Sound: Piece/performance: excellent

1 peak

Two front-panel mounted, swiveling antennas facilitating rack-mounted operation. Full metering for easy status monitoring. LED metering of audio/peak levels and RF signal strength. Diversity LEDs indicating which antenna is active at any time. Professional XLR and 1/4 outputs. Automatic squelch. High quality all-metal case. Frequency color code. Easy to mount in any 19 rack using optional rack mount-kit.

GB 40 guitarbug

>> Page 8 Guitar and bass
>> Page 10 Presentation
Sound Check 5/02 (Germany)
Congratulations, AKG! The uniquely affordable WMS 40 is more reliable and sounds better than anyone would have expected. Tastenwelt 4/00 (Germany)

The microtools recommend themselves as a flexible and easy-to-use system: Hook it up, insert batteries, and play. The front panel is laid out clearly to avoid confusion. Three LEDs provide all essential information. The transmitter, receiver, and charger add up to a very useful system at an affordable price. Tastenwelt 3/02 (Germany)
Editors award for innovative products. Tastenwelt 2002 (Germany)
Miniature receiver for unlimited freedom.
Small, light, and handy, the PR 40 bodypack receiver ensures unlimited mobility. It is both a convenient tool for guitarists (see Miniature Guitar System on page 8) and an ideal solution for video shootings where the action forbids using a hardwire microphone.

Detachable microphone

(MP40 micropen).
WMS40 UHF WMS40 microtools
Patented Varimotion transducer for extremely clean sound (HT40).
Better than anything else! From 40 to 20,000 Hz, the WMS 40 system provides the same perfect audio as a cable. Normally, each microphone maker creates its own wireless standard. AKG however, justifiably proud of its own microphone elements, has a broader vision and provides a perfect, versatile solution called the WMS Series: ease of use, good performance, very acceptable price. Tools 2/02 (Germany) Although the WMS 40 is one of the lower priced systems in the AKG wireless line, it maintains the high level of quality, sound, ruggedness, and reliability that AKG is world-famous for. The HT 40 handheld microphone transmitter with its futuristic styling feels pleasant to hold even after a long period of time. On the whole, the WMS 40 Series from AKG is the first choice for applications where both quality and usability are important criteria. MusicMaker 09/01 (UK)
The AKG system worked right away, disproving all rumors that wireless systems are a hassle. The audio is of high quality, too and there is no audible distortion or coloration. I never managed to throw the SR 40 off its balance. Akustik Gitarre 4/00 (Germany)
Glass fiber reinforced body for extremely low weight and high durability. Four-level diversity antenna management system for reliable reception. ON/OFF switch with status LED, battery status LED. RF reception indicator LED. Integrated contacts for easy battery charging using the optional CU 40 charger. Audio level LED.
>> Page 6 Snapon transmitter

>> Page 11

Professional XLR and 1/4 outputs.
CU 40 chargingunit: Integrated contacts for available from AKG only. easy battery charging

WMS 40 microtools

doc1

WMS 40

Service Manual *

Last modifications: Parts canceled, no longer available New part number pos. 15 page 6 Correction of part number's page 6 New part number pos.17 page 12 Part number for XL1, page 20 Designation of KR3 crystal corrected from 19115330 to 19115530 Page 22 connector: remark added HT40: parts added Page 20: CF1,3 part number corrected from 17001073 to 17201073
___________________________________________________________________________
AKG Acoustics GmbH, A Harman International Company, Lembckgasse 21 - 25, A-1230 Wien Austria Tel.: +(43 1) 86654 - 0; Fax.: +(43 1) 86654 - 1514; service@akg.com

Page 1 of 24

a Harman international company
The complete WMS 40 system:
The actual frequency is not differentiated by item number! WMS 40 HT/US Set with US power supply: 7611X0001 WMS 40 HT/EU Set with EU power supply: 7612X0001 WMS 40 HT/UK Set with UK power supply: 7613X0001 WMS 40 PT/US Set with US power supply: 7611X0002 WMS 40 PT/EU Set with US power supply: 7612X0002 WMS 40 PT/UK Set with US power supply: 7613X0002 WMS 40 PT/US/Aerobic Set with C444 and US power supply: 7611X0003 WMS 40 PT/EU/Aerobic Set with C444 and EU power supply: 7612X0003 HT 40, handheld transmitter only: 7600X0001 PT 40, bodypack transmitter only: 7600X0002 SR40/US, receiver only with US power supply: 7601X0003 SR40/EU, receiver only with EU power supply: 7602X0003 SR40/UK, receiver only with UK power supply: 7603X0003

General remarks

This manual contains technical information on the system functions and design. Exploded views and lists of all available mechanic parts and electronic assemblies are added. Further a list of electronic components for one specific frequency for both handheld and bodypack transmitters and receiver is added for better technical understanding and trouble shooting. However we do not stock or sell electronic components contained in those electronic components lists. When ordering frequency depending boards please state part number plus required frequency. All measurement values are nominal if not otherwise specified. All data subject to change without prior notice. All rights reserved. The contents of this manual shall be used for service purposes only. Any use of the information given herewith by third parties without permission of the copyright owner is strictly forbidden! 2000 by AKG Acoustics GmbH, A Harman International Company, A-1230 Wien, Austria.

Contacts:

e-mail: service@akg.com

Page 2 of 26

a Harman international company a Harman international company
Short description Transmitter HT40: Audio part: The dynamic unit (D880) is connected via L1-L2-C6-C7 (RF-filter), to the MICAMP stage. The MICAMP is built as an amplifier, which is a part of the NE575- integrated circuit and has a gain of 8.8dB. It also forms the LOCUT filter at 30 Hz. Then the signal is fed to the COMPressor. Here the dynamic of the amplitude is reduced to its half value, expressed in dB. This compressor is built with the integrated circuit NE575 from Signetics. In the feedback loop of the amplifier (Pin 12 and 14) there is the variable gain cell inserted. The variable gain cell is controlled by the rectified output voltage of the amplifier. C60 smoothes the rectified signal an controls the variable gain cell. C60 defines the so called time constant of the compressor. This feedback loop leads in an compression of the input signal. R7-R8-C10 build the DC path in the feedback loop. The second amplifier is used to build the PREEMphasis circuit, which boosts the higher frequencies with an time constant of 50usec and a fixed gain of 7.9dB at the lower frequencies. The DEViation ADjustment is realized with the potentiometer R16. Here at an input level of 100mV/1kHz the deviation is adjusted to 15kHz, which is the nominal modulation. Also at MUTE-position of the main switch, the signal is here shorted. Q2 with the additional parts form the HICUT filter at app. 25 kHz/3rd order. Via C29-R28-C30-R30 the signal modulates the CCO. RF part: The UHF Signal is generated by a crystal controlled oscillator CCO and multiplier amplifier stages (AMP1, AMP2, AMP3, AMP4). The third harmonic of the CCO is filtered by BPF1, after 3 doubler stages Ftransmit/2 is filtered by BPF2. After the output amplifier AMP5 the signal is filtered by LPF and a ceramic filter BPF3.

SETCode US54 US58 EU62 EU63 UK69A UK69B ISM1 ISM2 SP1 SP2 KR3 KR4 Transmitter Frequency 710,400MHz 734,600MHz 802,525MHz 812,800MHz 854,900MHz 858,200MHz 863,100MHz 864,375MHz 848,750 MHz 851,750 MHz 745,650 MHz 750,900 MHz Crystall Frequency 14,800MHz 15,304MHz 16,719MHz 16,933MHz 17,810MHz 17,879MHz 17,981MHz 18,008MHz 17,6822 MHz 17,7447 MHz 15,5344 MHz 15,6438 MHz Color reddish brown purple warm red yellow violet green melon yellow cool gray skyblue yellow green mintgreen dark grey
Power supply: The internal voltage of 3.9V is generated from 2 AA size batteries with a DC/DC converter.

Page 3 of 24

HT40-block schematics

UHF-frequency range

ANT HICUT CCO AMP1

23KHz 3 Order

AF-frequency 40Hz. 20KHz

1Order

LOCUT MICAMP
MUTE Ftransmit/16 doubler doubler doubler OFF

3.1KHz

2 wires

2 Order

Ftransmit/2

doubler

Ftransmit

XT2 DC/DC

Ftransmit/48

MUTE ON OFF

SWITCH

DC DC 3.9V

BATTERY

LOWBATT

Page 4 of 26
Attention: Before reassembly twist stranded wires leading to capsule in counterdirection to the way of screwing in the threaded sleeve. Otherwise the wires will break. Achtung: Vor dem Zusammenbau die Litzen zur Kapsel im Gegensinn zur Schraubrichtung der Gewindehlse verdrillen, da sonst die Anschlsse abreissen! 16

Part nbr. :31404010

Page 5 of 26

Description

Printed circuit main board, complete, tested Printed circuit dc/dc board, complete, tested ON/MUTE/OFF switch Crystal 14.8003MHz (For US54, 710.400MHz) reddish brown Crystal 14.8128MHz (For US54B, 711,000MHz) skyblue Crystal 15.3045MHz (For US58, 734.600MHz) purple Crystal 15.354MHz (For US58B, 736.975MHz) yellowgreen Crystal 15.602 MHz (For US60A, 748.875MHz) green Crystal 15.6576MHz (For US60B, 751.550MHz) dark purple Crystal 16.7196MHz (For EU62, 802.525MHz) warm red Crystal 16.7732MHz (For EU62B, 805.100MHz) pink Crystal 16.9336MHz (For EU63, 812.800MHz) yellow Crystal 16.9399MHz (For EU63B, 813.100MHz) light red Crystal 17.8107MHz (For UK69A, 854.900MHz) violetblue Crystal 17.8795MHz (For UK69B, 858.200MHz) green Crystal 17.9815MHz (For ISM1, 863.100MHz) melon yellow Crystal 18.0081MHz (For ISM2, 864.375MHz) cool gray Crystal 18.0180MHz (For ISM3, 864.850MHz) violet Crystal 15.5344MHz (For KR3, 745.650MHz) mint green Crystal 15.6438MHz (For KR4, 750.900MHz) dark gray Crystal 17.6822MHz (For SP1, 848.750MHz) Crystal 17.7447MHz (For SP2, 851.750MHz) Crystal 16.846MHz (For JP1, 808.625MHz) greenbrown Crystal 16.857MHz (For JP2, 809.125MHz) light blue Ceramic Filter 710.151MHz (For US54) Ceramic Filter 734.151MHz (For US58) Ceramic Filter 747.141MHz (For KR3) Ceramic Filter 750.141MHz (For KR4) Ceramic Filter 802.151MHz (For EU62) Ceramic Filter 812.151MHz (For EU63) Ceramic Filter 854.151MHz (For UK69A) Ceramic Filter 858.151MHz (For UK69B) Ceramic Filter 864.152MHz (For ISM1) Ceramic Filter 864.152MHz (For ISM2) Ceramic filters for further frequencies on request Battery compartment Battery contact (helical spring) Battery contact (plate) Housing tube, printed Antenna cover, black Antenna cover, orange Antenna cover, yellow Antenna cover, red Antenna cover, brown Antenna cover, pink Antenna cover, green Antenna cover, violet Antenna cover, grey ON/MUTE/OFF label with LED lens ON/MUTE/OFF slider Frame for ON/MUTE/OFF slider Battery door Capsule Top grill Housing screw Rubber plate Ring Cover Stand adapter

Part number

20104040 2610Z0034 9999N30818090 23200010
Short description Transmitter PT40: Audio part: The input signal is connected at Pin2 via L13L14C44C72 (RFfilter), to the MICAMP stage (with Pin1 = ground). The supply voltage of 3.9V for the microphones is connected via R68 at pin 3 of the connector. For microphone application Pin2 and Pin3 has to be shorten in the connector of the microphone. The MICAMP is built as an amplifier, which is a part of the NE575 integrated circuit and has a variable gain of 0dB to 21dB. It also forms the LOCUT filter at 30 Hz and the MIC/LINE switch is situated here, which reduces the input signal by app. 14dB at line position. Then the signal is fed to the COMPressor. Here the dynamic of the amplitude is reduced to its half value, expressed in dB. This compressor is built with the integrated circuit NE575 from Signetics. In the feedback loop of the amplifier (Pin 12 and 14) is the variable gain cell inserted. The variable gain cell is controlled by the rectified output voltage of the

Page 6 of 26

amplifier. C18 smoothes the rectified signal an controls the variable gain cell and is the so called timeconstant of the compressor. This feedback loop leads in an compression of the input signal. R45R46C24 build the dcpath in the feedback loop. The second amplifier is used to build the preemphasis circuit, which boosts the higher frequencies with an time constant of 50usec and a fixed gain of 7.9dB for the lower frequencies. The deviationadjustment is realized with the potentiometer VR3. Here at an inputlevel of 300mV at 1kHz (and the inputgain set to 0dB=minimumgain) the deviation is adjusted to 15kHz, which is the nominal modulation. Also at MUTEposition of the main switch, the signal is here shorted. Q7with the additional parts form the HICUTfilter at app. 25 kHz / 3. order. Via C25R69C26R17 the signal modulates the CCO. RF part: The UHF Signal is generated by a crystal controlled oscillator CCO and multiplier amplifier stages (AMP1, AMP2, AMP3, AMP4). The third harmonic of the CCO is filtered by BPF1, after 3 doubler stages Ftransmit/2 is filtered by BPF2. After the output amplifier AMP5 the signal is filtered by LPF and a ceramic filter BPF3. Power supply: The internal voltage of 3.9V is generated from 2 AA size batteries with a DC/DC converter.

Page 7 of 26

PT40-block schematics

ANT PREEM HICUT

CON CCO BPF1 AMP2 AMP3 AMP1 BPF2

3.1KHz 1Order

3 Pins OFF Ftransmit/16 doubler doubler doubler

MICAMP XT2 DC/DC

MIC/LINE SWITCH

-22.0dB

GAINPOT

Page 8 of 26

Description Printed circuit board, complete, tested Antenna ON/MUTE/OFF switch MIC/LINE switch Sensitivity trimmer potentiometer Crystal: see parts list for HT40, Pos 4 Housing, bottom shell Housing, top shell, printed Battery door Battery contact (single helical spring) Battery contact (plate) Battery contact (plate with helical spring) Belt clip Housing screw Mic socket Ceramic Filter: see parts list for HT40, Pos 20
Part number 33026120 90605030

Item 15 16

Page 9 of 26
Short description Receiver SR40: The SR40 is a stationary non diversity receiver applying a double conversion conception. The receiver is non switchable, his reception frequency in the UHF range is: SET CODE
US54 US58 EU62 EU63 UK69A UK69B ISM1 ISM2
710,400MHz 734,600MHz 802,525MHz 812,800MHz 854,900MHz 858,200MHz 863,100MHz 864,375MHz
654,400MHz 678,600MHz 746,525MHz 756,800MHz 798,900MHz 802,200MHz 807,100MHz 808,375MHz
36,356MHz 37,700MHz 41,474MHz 42,044MHz 44,383MHz 44,567MHz 44,839MHz 44,910MHz
56,0MHz 56,0MHz 56,0MHz 56,0MHz 56,0MHz 56,0MHz 56,0MHz 56,0MHz

FLO2=XT2:

45,3MHz 45,3MHz 45,3MHz 45,3MHz 45,3MHz 45,3MHz 45,3MHz 45,3MHz
10,7MHz 10,7MHz 10,7MHz 10,7MHz 10,7MHz 10,7MHz 10,7MHz 10,7MHz
The elements determining the reception frequency are the band pass filter BPF1 and the crystal of local mixer oscillator XT1 RFPart: The front end consists of a ceramic pass band filter BPF1, a bipolar transistor amplifier AMP1 and a low pass filter LPF. The 1st MIXER1 converts the RF signal to the 1st intermediate frequency of 56MHz, the 2nd MIXER2 converts the signal to the 2nd intermediate (demodulation) frequency 10.7MHz. The 2nd intermediate frequency is band pass filtered (BPF2,3), amplified (AMP2) and gets to the input of the demodulator IC (LIMAMP and DEMOD). The 1st mixer oscillator (CCO1) is designed as a crystal controlled oscillator (the 3rd harmonic is filtered out by BPF4) and multiplier amplifiers AMP3 and AMP4. The LO signal is filtered by BPF5, BPF6 and is 56MHz below the reception frequency. The 2nd mixer oscillator (CCO2) is crystal controlled too, his frequency is 45,3MHz. AudioPart: The audio signal from DEMODulator (BA4110IFdemodulator) is amplified by AFAMP with U11Pin123. Here the output signal is adjusted to 500mV/1kHz at 15kHz deviation. Then the signal runs to the MUTEstage, which is the second half of U11. Muting is realized with Q29, which shortens the feedback path. Q29 is controlled by the RSSI signal. The RSSIsignal comes from the IFcircuit BA4110. U7 forms an COMPARATOR, which switches the MUTEtransistor Q29 at RSSIlevel lower than 98dBm. This value can be adjusted via SQUELCHpotentiometer VR1. Q25 builds an HICUTfilter at 20 kHz/2nd order. Amplifier Pin17/18/19 of NE575 forms the decreased with first order DEEMphasis circuit. The frequencies above 3 kHz are (timeconstant 50 sec). Then the signal is expanded with the EXPander circuit NE575. Here the original level behavior of the input signal at the transmitter input is restored. The expander time constant is defined by C48. The second free amplifier of NE575 is used as buffer before the volume control section. With VR2 (VOLUME) the output level can be adjusted from line level (500mV) to mic. level (35mV). The next stage is a amplifier with a gain of 3.9dB OUTAMP. C39 separates the dcvoltage from the signal and then the signal is fed to the XLR and 6.3mm JACK. Q31 and Q32 build a CLICKSUPPRessioncircuit. In the OFFposition of the main switch this transistors are turned on. If the receiver is turned ON, the transistors remain ON for a short time (by C50), so the clicksignals caused by the amplifiers is suppressed. The balanced output has symmetrical impedance, which is built by R84/R87 and R88/R89. The receiver is powered by an external device which is to be connected at the rear panel (DC jack POWER) and can be turned on and off by a switch at the front panel (ON/OFF). The internal used voltage (+8V) is stabilized by the DC circuitry (VREG).

Page 10 of 26

SR40-block schematics

56MHz 10.7MHz

FIF1 FIF2

BPF1 MIXER1

AMP1 AFAMP
LPF MIXER2 AMP2 LIMAMP DEMOD

Controll

20k 2 Order

3.1KHz 1 Order

OUTAMP

RSSI FLO2

COMPARATOR XT2

45.3MHz

-98.-70dBm

RFLED SQUELCH

35mV.500mV

VOLUME

6.3mm JACK POWER

12V 300mA

CLICKSUPPR VREG ON/OFF

FLO1/6

FLO1/3

FLO1/18

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Tuner, complete, tested PLEASE STATE REQUIRED FREQUENCY!!! Crystal 45,300 MHz Crystal 36.3556MHz (For US54, 710.400MHz) Crystal 37.7000MHz (For US58, 734.600MHz) Crystal 41.4736MHz (For EU62, 802.525MHz) Crystal 42.0444MHz (For EU63, 812.800MHz) Crystal 44.3833MHz (For UK69A, 854.900MHz) Crystal 44.5667MHz (For UK69B, 858.200MHz) Crystal 44.8389MHz (For ISM1, 863.100MHz) Crystal 44.9097MHz (For ISM2, 864.375MHz) Crystal 38.3139MHz (For KR3, 745.650MHz) Crystal 38.6056MHz (For KR4, 750.900MHz) Crystal 44.0416MHz (For SP1, 848.750MHz) Crystal 44.2083MHz (For SP2, 851.750MHz) Crystals for further frequencies on request Main board, complete, tested Antenna Power switch Power switch knob Volume potentiometer Volume potentiometer knob LED green LED red Squelch potentiometer XLR socket 1/4" jack socket Power supply socket Tension relief bracket Screw driver holder Screw driver Housing (bottom shell) Housing (top cover) Front panel, printed Front panel foil, printed Side panel, left, right Screw 2,6x5 Screw 3x8 Screw 2,6x7 Screw 2x6 Screw 2,5x30 Power supply 230 volts Europe version Power supply 230 volts UK version Power supply 117 volts US version

1.1 1.2

33025300 0027E94014260
1 1.1 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.26

Page 12 of 26

The following parts lists refer to the WMS40 with 863.100 MHz. Crystals and ceramic filters see parts list of HT40, PT40 and SR40
MICROPHONE HT40 Freq. 863.100MHz R1, 24 R4, 19 R13, R28 R5, 20, 27, 83 R82 R17 R40 R15 R18 R33 R11 R29 R3, 31, 35 R7, 8 R21, 39 R37, 38, 40 R25 R30 R32 R6 R2 R81 R80 R22 R23 R14 R41 R16 C24 C13 C52 C39, 40 C43, 44, 45, 53, 57, 58 C42, 54 C11 Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Metallized Polyester Film Electrolytic Ceramic Ceramic Ceramic Ceramic Ceramic Ceramic C41, 68 C6, 14, 67 C31, 33 C32, 38, 66 C16, Ceramic Ceramic Ceramic Ceramic Ceramic 10 ohm 1 kohm 10 kohm 3.9 kohm 10 kohm 1.2 kohm 12 kohm 150 kohm 18 kohm 220 ohm 2.2 kohm 22 kohm 22 kohm 220 kohm 30 kohm 33 kohm 330 kohm 4.7 kohm 47 kohm 470 kohm 5.6 kohm 56 kohm 68 ohm 680 ohm 68 kohm 680 kohm 8.2 kohm 82 kohm 5% 5% 1% 5% 5% 5% 1% 5% 1% 1% 5% 1% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 1% 5% SMT SMT SMT SMT SMT SMT SMT SMT SMT SMT SMT SMT SMT SMT SMT SMT SMT SMT SMT SMT SMT SMT SMT SMT SMT SMT SMT SMT 11302030 5% 0.25F 0.25F 0.25F 0.25F 0.25F 0.25F 0. 5F 5% 5% 5% 5% NPO NPO NPO NPO NPO NPO NPO NPO NPO NPO NPO Page 13 of 10310031

20K, POZ3AN51203N 30% SMT 0.0068F 22 F 0,3 pF 1 F 2 F 3 F 4.7 F 5 F 10 F 15 F 30 F 50 F 68 F 63V 6.3V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V
C7, 18 C48, 49, 50, 56, 69, 70, 81 C22 C36, 37, 88 C3, 4 C60 C28, 82, 84, 85, 86, 87 C8, 23 C2 C1, 10, 26, 27, 34, 35, 83 C17, 21, 29, 30 C5, 9, 25, 61 C51, 55 L3, 4, 5, 6 L10 L11 L8 L1, 2 U2 U1 Q1 Q13 Q2, 3, 14 Q4, 5, 6, 8 Q7, 9 D1 D2 D5 D6 T2, 3 T4 T5 T1 T6 L7 SW1 XT1 J107, 109
Ceramic Ceramic Ceramic Ceramic Ceramic Ceramic Ceramic Ceramic Ceramic Tantalum Tantalum Tantalum Tantalum
100 F 0.001 F 2200 pF 0.01 F 0.047 F 1 F 10 F 220 F 470 F 0.1 F 10 F 2.2 F 4.7 F
50V 50V 50V 50V 25V 16V 50V 50V 50V 35V 10V 16V 16V
5% 10% 10% 10% 10% 10% +80%20% 5% 5% 20% 20% 20% 20%

NPO X7R X7R X7R X7R X7R

13101003 13101023

13101051 13101066

NPO NPO SMT SMT SMT SMT

14722000

210P TZVY2Z100A110 LQP11A15nG00T1M SMT LQP11A22nG14 SMT LQN21A100n SMT 100 H 82 nH Philips NE575D SMT 3V SIKEO, S81230SGUPDQBT1 CTR, FMW1, T148 SMT ROHM 2SD2098 Toshiba 2SC2712GR, SMT Toshiba 2SC2714Y NEC 2SC3356 LED VARACTOR ZENER 3, Red Toshiba ROHM ROHM A294SNST1191Z A294SNST1192Z A294SNST1388Z A294SNST1414Z H054444168 Center Freq. 864MHz 3dB Band Width 1.5MHz Slide Switch, SS019P223MAmHPA3 NIC17.9815MHz 3 P (2mm) 61003PASG1 1SV161 3V9 RB451 TDK NL3225221R2K TDK NL322522082J

19117980 90300032

Page 14 of 26
TRANSMITTER PT40 Freq. 863.100MHz R47, 55 R36, 50, 66 R67 R53 R69 R18, 38, 73 R57 R43 R62 R6 R41 R61 R20 R29 R35 R44, R25, 51, 70, 71 R45, 46 R56 R32, 40 R4, 68 R17, 59 R72 R54 R34 R33, 52 R37, 39 R63 R1 R42 VR2 VR3 C19 C6 C7 C10, 35 Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon 10 ohm 1 kohm 100 ohm 10 kohm 3.9 kohm 10 kohm 100 kohm 1.2 kohm 22 kohm 1.5 kohm 150 kohm 56 kohm 220 ohm 2.2 kohm 22 kohm 22 kohm 220 kohm 30 kohm 33 kohm 330 kohm 4.7 kohm 47 kohm 470 kohm 56 kohm 68 ohm 680 ohm 68 kohm 680 kohm 8.2 kohm 82 kohm 5% 5% 5% 1% 5% 5% 5% 5% 1% 5% 5% 1% 1% 5% 1% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 1% 5% SMT SMT SMT SMT SMT SMT SMT SMT SMT SMT SMT SMT SMT SMT SMT SMT SMT SMT SMT SMT SMT SMT SMT SMT SMT SMT SMT SMT SMT SMT 5% 0.25% 0.25% 0.25% 0.25% 0.25% 0.25% 0.25% 0. 5% 5% NPO NPO NPO NPO NPO NPO NPO NPO NPO Page 15 of 10310031
Panasonic 10 kohm MATEVND8YA03B24 20K, POZ3AN51203N 30% SMT Metallized Polyester Film Electrolytic Electrolytic Ceramic Ceramic 0.0022F 100 F 22 F 0,3 pF 1 F 2 F 3 F 4.7 F 5 F 7 F 10 F 12 F 63V 6.3V 6.3V 50V 50V 50V 50V 50V 50V 50V 50V 50V
C45, 47, 53, 56, 57 Ceramic C39, 49 C62 Ceramic Ceramic Ceramic C70 C42 C40 Ceramic Ceramic Ceramic

C50, 72 C38, 52 C35, 37, 43 C59, 64 C44, 63
Ceramic Ceramic Ceramic Ceramic Ceramic
15 F 30 F 50 F 68 F 100 F 0.001 F 2200 pF 0.01 F 0.047 F 1 F 10 F 220 F 330 F 0.1 F 1 F 10 F 2.2 F 4.7 F
50V 50V 50V 50V 50V 50V 50V 50V 25V 16V V 50V
5% 5% 5% 5% 5% 10% 10% 10% 10% 10% +80%20% 5%
NPO NPO NPO NPO NPO X7R X7R X7R NPO X7R
C29, 46, 54, 65, 66 Ceramic C28 C33, 41, 48, 58, 67, 69, 76 C51, 61 C18 C1, 3, 4, 23, 75 C68 C60 Ceramic Ceramic Ceramic Ceramic Ceramic Ceramic Ceramic Tantalum C13 C2, 9, 11, 15, 16, 24, 73, 74, C8, 17 C14, 71 L5, L8 L6, 7 L3, 11, 12 L13 L4 L13, 14 U1 U2 Q19 Q4 Q7, 8, 23 Q2, 10, 11, 21 Q12, 16 D3 D6 D2 D8 D1 T1, 4 T6 T2 T3 L1 L2 SW1 SW2 A294SNST1191Z A294SNST1388Z A294SNST1192Z A294SNST1414Z H054444168 Tantalum Tantalum

NPO X7R

35V 16V 10V 16V 16V

20% 20% 20% 20% 20%

SMT SMT SMT SMT SMT
C12, 20, 21, 25, 26 Tantalum Tantalum
210P TZVY2Z100A110 LQP11A10nG14 SMT LQP11A15nG00T1M SMT LQP11A22nG14 SMT LQN21A100n SMT 100 H 82 nH Philips NE575D SMT 3V SIKEO, S81230SGUPDQBT1 CTR, FMW1, T148 SMT ROHM 2SD2098 Toshiba 2SC2712GR, SMT Toshiba 2SC2714Y NEC 2SC3356 LED VARACTOR ZENER RECTIFIER 3, Red Toshiba ROHM ROHM ROHM 1SV161 3V9 1SR154400 RB451 TDK NL3225221R2K TDK NL322522082J

Page 16 of 26

Center Freq. 864MHz 3dB Band Width 1.5MHz Slide Switch, SS019P022BBmPA7 Slide Switch, SS070P823MBbPB6
NIC17.9815MHz Antenna Fixed Plate

2P 90200022

PCB Jack

Page 17 of 26

RECEIVER SR40 Freq. 863.1MHz R69 R87, 88 R1 R3, 8, 9, 56, 57, 77, 116 R40, 120 R49, 59 Carbon Carbon Carbon Carbon Carbon Carbon 1.220 2.220 2.330 3.470 4.5.680 6.ohm ohm ohm kohm kohm kohm kohm kohm kohm kohm kohm ohm ohm kohm kohm kohm Mohm kohm ohm Kohm ohm ohm Kohm kohm ohm ohm kohm kohm ohm kohm kohm 5% 1% 5% 5% 1% 5% 5% 5% 5% 5% 1% 5% 5% 5% 5% 5% 5% 1% 5% 5% 5% 5% 5% 5% 1% 5% 5% 5% 5% 5% 5% Page 18 of 26
R34, 35, 39, 54, 82 Carbon R18, 32, 73 R4 R29, 30 R61 R6 R62 R12, 22 R20, 46, 74 R55, 67, 107 R72 R44 R2, 5, 47 R43 R10, 11, 38, 118 R117 R15, 51, 78, 79, 80, 81 R65, 66, 85, 86 R84, 89 R83 R26 R68 R119 R7 R76 VR1 VR2 VR3 VR4 C14 C32 C31, 45 Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Carbon Polyester Electrolytic Electrolytic

Panasonic EVND2YA03B14

10 KA RK09K1110452 20K 100K Panasonic MATEVND8YA03B24 Panasonic MATEVND8YA03B15 50V 50V 50V 16V 16V 50V 16V 25V 5% 20% 20% 20% 20% 20% 20% 20%
0.0027 F 0.1 F 1 F 10 F 100 F 2.2 F 220 F 2200 F
C10, 25, 28, 36, 44 Electrolytic C49, 53 C4,C9 C11 Electrolytic Electrolytic Electrolytic Electrolytic
C19, 35, 37, 38, 39, 46 C50, 51, 52 C2, 3, 15, 26, 27 C22 C75, 78, 103 C5, 12, 20, 24, 34, 55, 80 C1, 8, 107 C76, 77, 110, 111 C13, 17, 18, 21, 23, 73, 82, 102 C16, 84, 85 C74 C83 C48 L1 L2 L3 L4 U3 U10 U7 U9, 11 Q30 Q31 Q18 Q16, 23, 25, 27, 29, 32 D7, D8 D1 D2 D6 D3 Q24, 28 Q17 CF1 J5 J4

1R0.5K

Toshiba 2SC2714Y NEC 2SC3356 Toshiba FET 3SK151Y 4.5~20 RED TZBX4R200BA110
Center Freq. 864MHz 3dB Band Width 1.5MHz A294SNST1192Z A294SNST1407Z 2 P P2.54mm 4 P P2.54mm NIC45.3000MHz NIC44.8389MHz

Page 21 of 26

 

Technical specifications

Full description

AKG WMS 40 PRO Dual Vocal Wireless Systems: Legendary AKG sound! The AKG WMS 40 PRO Wireless utilizes their own unique HDAP (High Definition Audio Performance) technology ensuring the best possible, realistic sound. The rugged handheld transmitter with its soft-touch finish is extremely easy to use and operates for 30 hours off a single AA size battery, saving frequent battery changes and thus money. If you're in need of two wireless handheld systems why not get it all in one compact package!

 

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